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Monday, 30 July 2012

Gravitational Lens Effect

With Einstein, gravity was dictated by
the mass an object had, not how big or how small. With that, he
inferred that gravity itself is able to bend light and space itself,
causing anomalies in the universe to be solved. What confirmed this
mystery was when there was a solar eclipse, where the astronomers
measured the suns position and size during the phases of the eclipse.
The position of the star had been shifted slightly, this was due to
the light being bent by sheer gravitational force.

Fig. 1 Graphical Representation of Gravitational Lens Effect

This led to the
suspicion that something of massive stature, not so much large but
something with overwhelming amounts of mass existed between the
source of light and the observation point (i.e. the person viewing
the star). The observation the viewer will have is that the object
will have a twin right next to it, identical in almost every way.
This lead to suspicion since it was highly unlikely the source which
was both exact could be probable. With that in-mind, it was concluded
that there was a great gravitational force splitting or bending the
light around the massive object and then reconnecting the light to
the viewer giving this distortional mirage. This was then called the
gravitational lens effect. The object that distorted the light was
unseen (usually a black hole is to blame for such a gravitational
impact, though Dark Matter can also be responsible for these events)

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